125024542 has 4 divisors (see below), whose sum is σ = 187536816. Its totient is φ = 62512270.

The previous prime is 125024533. The next prime is 125024551. The reversal of 125024542 is 245420521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125024533) and next prime (125024551).

It is a super-2 number, since 2×125024542² = 31262272204619528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31256134 + ... + 31256137.

It is an arithmetic number, because the mean of its divisors is an integer number (46884204).

Almost surely, 2^125024542 is an apocalyptic number.

125024542 is a deficient number, since it is larger than the sum of its proper divisors (62512274).

125024542 is an equidigital number, since it uses as much as digits as its factorization.

125024542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62512273.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 125024542 is about 11181.4373852381. The cubic root of 125024542 is about 500.0327205254.

The spelling of 125024542 in words is "one hundred twenty-five million, twenty-four thousand, five hundred forty-two".